This Bluetooth and AUX compatible adapter will connect your phone to your car head unit. It supports Bluetooth 5.3 technology, which makes the sound an order of magnitude better than previous Bluetooth versions. The adapter has two built-in noise-canceling microphones for clear sound during calls, and also outputs high-quality sound when listening to music. Installs by simply plugging into the AUX or USB jacks. Automatically connects to the paired phone. This allows for simultaneous operation of two devices that do not interfere with each other. It has a multifunctional control button, LED indication and various interference and noise protection features. In general, it is a convenient solution for those who like to talk in the car and listen to their favorite music on the road.